Home / 16,880.43-25,321.04-5,787.03

Finding the Fourth Proportional to 16,880.43, 25,321.04 and 5,787.03

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Solution

The fourth proportional to 16,880.43, 25,321.04 and 5,787.03 is: 8,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.43 : 25,321.04 = 5,787.03 : x
  2. Step 2: Convert to fraction form
    16,880.43/25,321.04 = 5,787.03/x
  3. Step 3: Cross multiply
    16,880.43x = 25,321.04 × 5,787.03
  4. Step 4: Simplify right side
    16,880.43x = 146,533,618.11
  5. Step 5: Solve for x
    x = 146,533,618.11/16,880.43
  6. Step 6: Final answer
    x = 8,680.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.